Number of the day

19 percentage points

That's how much Google's share of mobile searches will decline by 2016, when it may control 64 percent of the market, according to a new forecast from eMarketer. Google became the most valuable Internet company in the world on the strength of its desktop-based search engine. Now, while the Mountain View company's revenue from smartphones and tablets is growing, it's facing stiffer competition for searches on these mobile devices.

Heads up

The Labor Department will issue its May jobs report on Friday, and economists in a poll expect a modest pullback from April's surprisingly strong report. Additions to nonfarm payrolls are expected to drop to 215,000 new positions from 288,000 in the previous month. Forecasts call for the unemployment rate to rise to 6.4 from 6.3 percent, after its sharp decline in April from 6.6 percent.

Hear here

"This is a play by Amazon to get a stake in the most ubiquitous device category there is."

Jan Dawson, an analyst at Jackdaw, on Amazon's reported plan to enter the smartphone market this month. The company said as much in a tweet Wednesday about a June 18 product launch that included a picture of a thin device with Amazon's name in silver emblazoned on it. A smartphone would intensify its rivalry with Apple since the two already go head to head in tablets and Web services, including online entertainment. Page C5